OpenTechnical

OT-2026-000091892

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000091892) never changes.

Identity and time

Publication numberOT-2026-000091892 · never reused
Internal UUID01a0ae9d-43ba-7e53-9038-09726395137e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091892
StatusPUBLIC

Content hashes

Canonical text2c0a2b2d93fe2e4a54770de2e88a61182a95bd2469ecd9a2ac3ee13e53ccb86b
Markdown27bd34d8c2b4afdaebd1c24917ef73c436b9b9fd3a1b1cf5690e813cfb7a4b49
PDF
Publication pagee5abe33a2a9cdb7b409692ed2b686dee1ccd1999d54aa741dbc05a1bd33d5d66
Manifest86a219e462a3c63b9888900740bcf858d9daec98e11386d963964c3318678c1f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturekDzOsnIrLd0U4ocPpzH6Si095RaeQcSp20prVSmdH/kySDDj+l54s/yyXPIjO9ZV5bpmEb/+Ib1Us/6b+/5WBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:49.623995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091892
observed e5abe33a2a9cdb7b409692ed2b686dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:49.608031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091892/manifest.json
observed 86a219e462a3c63b9888900740bcf858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:49.591732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091892/publication.md
observed 27bd34d8c2b4afdaebd1c24917ef73c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:49.574983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091892/publication.txt
observed 2c0a2b2d93fe2e4a54770de2e88a6118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.